Silhouette waterfowl decoy



FIG. 1 a top view of a silhouette waterfowl decoy,

FIG. 2 is a front view of a silhouette waterfowl decoy; and,

FIG. 3 is a left side view of the silhouette waterfowl decoy, with the left side being a mirror image thereof. 

CLAIM I claim the ornamental design for a silhouette waterfowl decoy, as shown and described. 